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Posted to commits@pig.apache.org by zl...@apache.org on 2017/02/22 09:43:46 UTC
svn commit: r1783988 [6/24] - in /pig/branches/spark: ./ bin/ conf/
contrib/piggybank/java/
contrib/piggybank/java/src/main/java/org/apache/pig/piggybank/evaluation/
contrib/piggybank/java/src/main/java/org/apache/pig/piggybank/evaluation/util/apachelo...
Added: pig/branches/spark/src/docs/jdiff/pig_0.16.0.xml
URL: http://svn.apache.org/viewvc/pig/branches/spark/src/docs/jdiff/pig_0.16.0.xml?rev=1783988&view=auto
==============================================================================
--- pig/branches/spark/src/docs/jdiff/pig_0.16.0.xml (added)
+++ pig/branches/spark/src/docs/jdiff/pig_0.16.0.xml Wed Feb 22 09:43:41 2017
@@ -0,0 +1,87488 @@
+<?xml version="1.0" encoding="iso-8859-1" standalone="no"?>
+<!-- Generated by the JDiff Javadoc doclet -->
+<!-- (http://www.jdiff.org) -->
+<!-- on Wed Jun 08 12:55:46 PDT 2016 -->
+
+<api
+ xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'
+ xsi:noNamespaceSchemaLocation='api.xsd'
+ name="pig 0.16.0"
+ jdversion="1.0.9">
+
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+<package name="org.apache.hadoop.hive.serde2.objectinspector.primitive">
+ <!-- start class org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaConstantBooleanObjectInspector -->
+ <class name="JavaConstantBooleanObjectInspector" extends="org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaBooleanObjectInspector"
+ abstract="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <implements name="org.apache.hadoop.hive.serde2.objectinspector.ConstantObjectInspector"/>
+ <constructor name="JavaConstantBooleanObjectInspector" type="java.lang.Boolean"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </constructor>
+ <method name="getWritableConstantValue" return="java.lang.Object"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <doc>
+ <![CDATA[This class will be in Hive code base begin 1.2.0 (HIVE-9766).
+ Will remove once we switch to use Hive 1.2.0]]>
+ </doc>
+ </class>
+ <!-- end class org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaConstantBooleanObjectInspector -->
+ <!-- start class org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaConstantDoubleObjectInspector -->
+ <class name="JavaConstantDoubleObjectInspector" extends="org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaDoubleObjectInspector"
+ abstract="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <implements name="org.apache.hadoop.hive.serde2.objectinspector.ConstantObjectInspector"/>
+ <constructor name="JavaConstantDoubleObjectInspector" type="java.lang.Double"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </constructor>
+ <method name="getWritableConstantValue" return="java.lang.Object"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <doc>
+ <![CDATA[This class will be in Hive code base begin 1.2.0 (HIVE-9766).
+ Will remove once we switch to use Hive 1.2.0]]>
+ </doc>
+ </class>
+ <!-- end class org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaConstantDoubleObjectInspector -->
+ <!-- start class org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaConstantFloatObjectInspector -->
+ <class name="JavaConstantFloatObjectInspector" extends="org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaFloatObjectInspector"
+ abstract="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <implements name="org.apache.hadoop.hive.serde2.objectinspector.ConstantObjectInspector"/>
+ <constructor name="JavaConstantFloatObjectInspector" type="java.lang.Float"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </constructor>
+ <method name="getWritableConstantValue" return="java.lang.Object"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <doc>
+ <![CDATA[This class will be in Hive code base begin 1.2.0 (HIVE-9766).
+ Will remove once we switch to use Hive 1.2.0]]>
+ </doc>
+ </class>
+ <!-- end class org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaConstantFloatObjectInspector -->
+ <!-- start class org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaConstantIntObjectInspector -->
+ <class name="JavaConstantIntObjectInspector" extends="org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaIntObjectInspector"
+ abstract="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <implements name="org.apache.hadoop.hive.serde2.objectinspector.ConstantObjectInspector"/>
+ <constructor name="JavaConstantIntObjectInspector" type="java.lang.Integer"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </constructor>
+ <method name="getWritableConstantValue" return="java.lang.Object"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <doc>
+ <![CDATA[This class will be in Hive code base begin 1.2.0 (HIVE-9766).
+ Will remove once we switch to use Hive 1.2.0]]>
+ </doc>
+ </class>
+ <!-- end class org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaConstantIntObjectInspector -->
+ <!-- start class org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaConstantLongObjectInspector -->
+ <class name="JavaConstantLongObjectInspector" extends="org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaLongObjectInspector"
+ abstract="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <implements name="org.apache.hadoop.hive.serde2.objectinspector.ConstantObjectInspector"/>
+ <constructor name="JavaConstantLongObjectInspector" type="java.lang.Long"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </constructor>
+ <method name="getWritableConstantValue" return="java.lang.Object"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <doc>
+ <![CDATA[This class will be in Hive code base begin 1.2.0 (HIVE-9766).
+ Will remove once we switch to use Hive 1.2.0]]>
+ </doc>
+ </class>
+ <!-- end class org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaConstantLongObjectInspector -->
+ <!-- start class org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaConstantStringObjectInspector -->
+ <class name="JavaConstantStringObjectInspector" extends="org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaStringObjectInspector"
+ abstract="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <implements name="org.apache.hadoop.hive.serde2.objectinspector.ConstantObjectInspector"/>
+ <constructor name="JavaConstantStringObjectInspector" type="java.lang.String"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </constructor>
+ <method name="getWritableConstantValue" return="java.lang.Object"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ </class>
+ <!-- end class org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaConstantStringObjectInspector -->
+</package>
+<package name="org.apache.pig">
+ <!-- start interface org.apache.pig.Accumulator -->
+ <interface name="Accumulator" abstract="true"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <method name="accumulate"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="b" type="org.apache.pig.data.Tuple"/>
+ <exception name="IOException" type="java.io.IOException"/>
+ <doc>
+ <![CDATA[Pass tuples to the UDF.
+ @param b A tuple containing a single field, which is a bag. The bag will contain the set
+ of tuples being passed to the UDF in this iteration.]]>
+ </doc>
+ </method>
+ <method name="getValue" return="java.lang.Object"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[Called when all tuples from current key have been passed to accumulate.
+ @return the value for the UDF for this key.]]>
+ </doc>
+ </method>
+ <method name="cleanup"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[Called after getValue() to prepare processing for next key.]]>
+ </doc>
+ </method>
+ <doc>
+ <![CDATA[An interface that allows UDFs that take a bag to accumulate tuples in chunks rather than take
+ the whole set at once. This is intended for UDFs that do not need to see all of the tuples
+ together but cannot be used with the combiner. This lowers the memory needs, avoiding the need
+ to spill large bags, and thus speeds up the query. An example is something like session analysis.
+ It cannot be used with the combiner because all it's inputs must first be ordered. But it does
+ not need to see all the tuples at once. UDF implementors might also choose to implement this
+ interface so that if other UDFs in the FOREACH implement it it can be used.
+ @since Pig 0.6]]>
+ </doc>
+ </interface>
+ <!-- end interface org.apache.pig.Accumulator -->
+ <!-- start class org.apache.pig.AccumulatorEvalFunc -->
+ <class name="AccumulatorEvalFunc" extends="org.apache.pig.EvalFunc"
+ abstract="true"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <implements name="org.apache.pig.Accumulator"/>
+ <constructor name="AccumulatorEvalFunc"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </constructor>
+ <method name="accumulate"
+ abstract="true" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="b" type="org.apache.pig.data.Tuple"/>
+ <exception name="IOException" type="java.io.IOException"/>
+ </method>
+ <method name="cleanup"
+ abstract="true" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <method name="getValue" return="java.lang.Object"
+ abstract="true" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <method name="exec" return="java.lang.Object"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="input" type="org.apache.pig.data.Tuple"/>
+ <exception name="IOException" type="java.io.IOException"/>
+ </method>
+ <doc>
+ <![CDATA[This class is used to provide a free implementation of the EvalFunc exec function given
+ implementation of the Accumulator interface. Instead of having to provide a redundant
+ implementation, this provides the base exec function for free, given that the methods
+ associated with the Accumulator interface are implemented. For information on how to
+ implement Accumulator, see {@link Accumulator}.]]>
+ </doc>
+ </class>
+ <!-- end class org.apache.pig.AccumulatorEvalFunc -->
+ <!-- start interface org.apache.pig.Algebraic -->
+ <interface name="Algebraic" abstract="true"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <method name="getInitial" return="java.lang.String"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[Get the initial function.
+ @return A function name of f_init. f_init should be an eval func.
+ The return type of f_init.exec() has to be Tuple]]>
+ </doc>
+ </method>
+ <method name="getIntermed" return="java.lang.String"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[Get the intermediate function.
+ @return A function name of f_intermed. f_intermed should be an eval func.
+ The return type of f_intermed.exec() has to be Tuple]]>
+ </doc>
+ </method>
+ <method name="getFinal" return="java.lang.String"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[Get the final function.
+ @return A function name of f_final. f_final should be an eval func parametrized by
+ the same datum as the eval func implementing this interface.]]>
+ </doc>
+ </method>
+ <doc>
+ <![CDATA[An interface to declare that an EvalFunc's
+ calculation can be decomposed into intitial, intermediate, and final steps.
+ More formally, suppose we have to compute an function f over a bag X. In general, we need to know the entire X
+ before we can make any progress on f. However, some functions are <i>algebraic</i> e.g. SUM. In
+ these cases, you can apply some initital function f_init on subsets of X to get partial results.
+ You can then combine partial results from different subsets of X using an intermediate function
+ f_intermed. To get the final answers, several partial results can be combined by invoking a final
+ f_final function. For the function SUM, f_init, f_intermed, and f_final are all SUM.
+
+ See the code for builtin AVG to get a better idea of how algebraic works.
+
+ When eval functions implement this interface, Pig will attempt to use MapReduce's combiner.
+ The initial funciton will be called in the map phase and be passed a single tuple. The
+ intermediate function will be called 0 or more times in the combiner phase. And the final
+ function will be called once in the reduce phase. It is important that the results be the same
+ whether the intermediate function is called 0, 1, or more times. Hadoop makes no guarantees
+ about how many times the combiner will be called in a job.]]>
+ </doc>
+ </interface>
+ <!-- end interface org.apache.pig.Algebraic -->
+ <!-- start class org.apache.pig.AlgebraicEvalFunc -->
+ <class name="AlgebraicEvalFunc" extends="org.apache.pig.AccumulatorEvalFunc"
+ abstract="true"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <implements name="org.apache.pig.Algebraic"/>
+ <constructor name="AlgebraicEvalFunc" type="java.lang.String[]"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[It is key that if a subclass has a constructor, that it calls super(args...) or else
+ this class will not instantiate properly.]]>
+ </doc>
+ </constructor>
+ <method name="getFinal" return="java.lang.String"
+ abstract="true" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[This must be implement as per a normal Algebraic interface. See {@link Algebraic} for
+ more information.]]>
+ </doc>
+ </method>
+ <method name="getInitial" return="java.lang.String"
+ abstract="true" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[This must be implement as per a normal Algebraic interface. See {@link Algebraic} for
+ more information.]]>
+ </doc>
+ </method>
+ <method name="getIntermed" return="java.lang.String"
+ abstract="true" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[This must be implement as per a normal Algebraic interface. See {@link Algebraic} for
+ more information.]]>
+ </doc>
+ </method>
+ <method name="accumulate"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="input" type="org.apache.pig.data.Tuple"/>
+ <exception name="IOException" type="java.io.IOException"/>
+ <doc>
+ <![CDATA[This is the free accumulate implementation based on the static classes provided
+ by the Algebraic static classes. This implemention works by leveraging the
+ initial, intermediate, and final classes provided by the algebraic interface.
+ The exec function of the Initial EvalFunc will be called on every Tuple of the input
+ and the output will be collected in an intermediate state. Periodically, this intermediate
+ state will have the Intermediate EvalFunc called on it 1 or more times. The Final EvalFunc
+ is not called until getValue() is called.]]>
+ </doc>
+ </method>
+ <method name="cleanup"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[Per the Accumulator interface, this clears all of the variables used in the implementation.]]>
+ </doc>
+ </method>
+ <method name="getValue" return="java.lang.Object"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[This function returns the ultimate result. It is when getValue() is called that
+ the Final EvalFunc's exec function is called on the accumulated data.]]>
+ </doc>
+ </method>
+ <doc>
+ <![CDATA[This class is used to provide a free implementation of the Accumulator interface
+ and EvalFunc class in the case of an Algebraic function. Instead of having to provide
+ redundant implementations for Accumulator and EvalFunc, implementing the
+ getInitial, getIntermed, and getFinal methods (which implies implementing the static classes
+ they reference) will give you an implementation of each of those for free. <br><br>
+ One key thing to note is that if a subclass of AlgebraicEvalFunc wishes to use any constructor
+ arguments, it MUST call super(args).
+ <br><br>
+ IMPORTANT: the implementation of the Accumulator interface that this class provides is good,
+ but it is simulated. For maximum efficiency, it is important to manually implement the accumulator
+ interface. See {@link Accumulator} for more information on how to do so.]]>
+ </doc>
+ </class>
+ <!-- end class org.apache.pig.AlgebraicEvalFunc -->
+ <!-- start interface org.apache.pig.CollectableLoadFunc -->
+ <interface name="CollectableLoadFunc" abstract="true"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <method name="ensureAllKeyInstancesInSameSplit"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <exception name="IOException" type="java.io.IOException"/>
+ <doc>
+ <![CDATA[When this method is called, Pig is communicating to the Loader that it must
+ load data such that all instances of a key are in same split. Pig will
+ make no further checks at runtime to ensure whether the contract is honored
+ or not.
+ @throws IOException]]>
+ </doc>
+ </method>
+ <doc>
+ <![CDATA[This interface implemented by a {@link LoadFunc} implementations indicates to
+ Pig that it has the capability to load data such that all instances of a key
+ will occur in same split.
+ @since Pig 0.7]]>
+ </doc>
+ </interface>
+ <!-- end interface org.apache.pig.CollectableLoadFunc -->
+ <!-- start class org.apache.pig.ComparisonFunc -->
+ <class name="ComparisonFunc" extends="org.apache.hadoop.io.WritableComparator"
+ abstract="true"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <constructor name="ComparisonFunc"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </constructor>
+ <method name="compare" return="int"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="a" type="org.apache.hadoop.io.WritableComparable"/>
+ <param name="b" type="org.apache.hadoop.io.WritableComparable"/>
+ <doc>
+ <![CDATA[Compare two tuples. Note that even though both args are given type of
+ WritableComparable to match the WritableComparable interface, they
+ must both be tuples.
+ @param a first tuple
+ @param b tuple to compare a to
+ @return -1 if a < b, 1 if a > b, 0 if a = b]]>
+ </doc>
+ </method>
+ <method name="compare" return="int"
+ abstract="true" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="t1" type="org.apache.pig.data.Tuple"/>
+ <param name="t2" type="org.apache.pig.data.Tuple"/>
+ <doc>
+ <![CDATA[This callback method must be implemented by all subclasses. Compares
+ its two arguments for order. The order of elements of the tuples correspond
+ to the fields specified in the order by clause.
+ Same semantics as {@link java.util.Comparator}.
+
+ @param t1 the first Tuple to be compared.
+ @param t2 the second Tuple to be compared.
+ @return Returns a negative integer, zero, or a positive integer as the first
+ argument is less than, equal to, or greater than the second.
+ @throws IOException
+ @see java.util.Comparator]]>
+ </doc>
+ </method>
+ <method name="setReporter"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="reporter" type="org.apache.pig.backend.hadoop.executionengine.physicalLayer.PigProgressable"/>
+ <doc>
+ <![CDATA[Set the reporter. If the comparison takes a long time the
+ reporter should be called occasionally to avoid Hadoop timing out
+ underneath. The default Hadoop timeout is 600 seconds.
+ @param reporter Progress reporter]]>
+ </doc>
+ </method>
+ <field name="reporter" type="org.apache.pig.backend.hadoop.executionengine.physicalLayer.PigProgressable"
+ transient="false" volatile="false"
+ static="false" final="false" visibility="protected"
+ deprecated="not deprecated">
+ </field>
+ <doc>
+ <![CDATA[An interface for custom order by comparator function.]]>
+ </doc>
+ </class>
+ <!-- end class org.apache.pig.ComparisonFunc -->
+ <!-- start class org.apache.pig.CounterBasedErrorHandler -->
+ <class name="CounterBasedErrorHandler" extends="java.lang.Object"
+ abstract="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <implements name="org.apache.pig.ErrorHandler"/>
+ <constructor name="CounterBasedErrorHandler"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </constructor>
+ <method name="onSuccess"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="uniqueSignature" type="java.lang.String"/>
+ </method>
+ <method name="onError"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="uniqueSignature" type="java.lang.String"/>
+ <param name="e" type="java.lang.Exception"/>
+ <param name="inputTuple" type="org.apache.pig.data.Tuple"/>
+ </method>
+ <method name="getRecordCount" return="long"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="storeSignature" type="java.lang.String"/>
+ </method>
+ <field name="STORER_ERROR_HANDLER_COUNTER_GROUP" type="java.lang.String"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="STORER_ERROR_COUNT" type="java.lang.String"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="STORER_RECORD_COUNT" type="java.lang.String"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ </class>
+ <!-- end class org.apache.pig.CounterBasedErrorHandler -->
+ <!-- start interface org.apache.pig.ErrorHandler -->
+ <interface name="ErrorHandler" abstract="true"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <method name="onSuccess"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="uniqueSignature" type="java.lang.String"/>
+ <doc>
+ <![CDATA[Method invoked on success processing of tuple
+
+ @param uniqueSignature
+ a unique signature to identify the operator]]>
+ </doc>
+ </method>
+ <method name="onError"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="uniqueSignature" type="java.lang.String"/>
+ <param name="e" type="java.lang.Exception"/>
+ <param name="inputTuple" type="org.apache.pig.data.Tuple"/>
+ <doc>
+ <![CDATA[Method invoked when an error occurs processing of tuple
+
+ @param uniqueSignature
+ a unique signature to identify the operator
+ @param e
+ Exception encountered while processing input
+ @param inputTuple
+ the tuple to store.]]>
+ </doc>
+ </method>
+ <doc>
+ <![CDATA[The interface that handles errors thrown by the
+ {@link StoreFuncInterface#putNext(Tuple)}]]>
+ </doc>
+ </interface>
+ <!-- end interface org.apache.pig.ErrorHandler -->
+ <!-- start interface org.apache.pig.ErrorHandling -->
+ <interface name="ErrorHandling" abstract="true"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <method name="getErrorHandler" return="org.apache.pig.ErrorHandler"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[This method is called to determine the ErrorHandler implementation that
+ to handle errors in {@code StoreFunc#putNext(Tuple)}
+
+ @return OutputErrorHandler implementation for store func]]>
+ </doc>
+ </method>
+ <doc>
+ <![CDATA[A {@link StoreFunc} should implement this interface to enable handling errors
+ during {@code StoreFunc#putNext(Tuple)}]]>
+ </doc>
+ </interface>
+ <!-- end interface org.apache.pig.ErrorHandling -->
+ <!-- start class org.apache.pig.EvalFunc -->
+ <class name="EvalFunc" extends="java.lang.Object"
+ abstract="true"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <constructor name="EvalFunc"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </constructor>
+ <method name="getSchemaName" return="java.lang.String"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="protected"
+ deprecated="not deprecated">
+ <param name="name" type="java.lang.String"/>
+ <param name="input" type="org.apache.pig.impl.logicalLayer.schema.Schema"/>
+ </method>
+ <method name="getReturnType" return="java.lang.reflect.Type"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[Get the Type that this EvalFunc returns.
+ @return Type]]>
+ </doc>
+ </method>
+ <method name="progress"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="true" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[Utility method to allow UDF to report progress. If exec will take more than a
+ a few seconds {@link PigProgressable#progress} should be called
+ occasionally to avoid timeouts. Default Hadoop timeout is 600 seconds.]]>
+ </doc>
+ </method>
+ <method name="warn"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="true" visibility="public"
+ deprecated="not deprecated">
+ <param name="msg" type="java.lang.String"/>
+ <param name="warningEnum" type="java.lang.Enum"/>
+ <doc>
+ <![CDATA[Issue a warning. Warning messages are aggregated and reported to
+ the user.
+ @param msg String message of the warning
+ @param warningEnum type of warning]]>
+ </doc>
+ </method>
+ <method name="finish"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[Placeholder for cleanup to be performed at the end. User defined functions can override.
+ Default implementation is a no-op.]]>
+ </doc>
+ </method>
+ <method name="exec" return="java.lang.Object"
+ abstract="true" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="input" type="org.apache.pig.data.Tuple"/>
+ <exception name="IOException" type="java.io.IOException"/>
+ <doc>
+ <![CDATA[This callback method must be implemented by all subclasses. This
+ is the method that will be invoked on every Tuple of a given dataset.
+ Since the dataset may be divided up in a variety of ways the programmer
+ should not make assumptions about state that is maintained between
+ invocations of this method.
+
+ @param input the Tuple to be processed.
+ @return result, of type T.
+ @throws IOException]]>
+ </doc>
+ </method>
+ <method name="outputSchema" return="org.apache.pig.impl.logicalLayer.schema.Schema"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="input" type="org.apache.pig.impl.logicalLayer.schema.Schema"/>
+ <doc>
+ <![CDATA[Report the schema of the output of this UDF. Pig will make use of
+ this in error checking, optimization, and planning. The schema
+ of input data to this UDF is provided.
+ <p>
+ The default implementation interprets the {@link OutputSchema} annotation,
+ if one is present. Otherwise, it returns <code>null</code> (no known output schema).
+
+ @param input Schema of the input
+ @return Schema of the output]]>
+ </doc>
+ </method>
+ <method name="isAsynchronous" return="boolean"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[This function should be overriden to return true for functions that return their values
+ asynchronously. Currently pig never attempts to execute a function
+ asynchronously.
+ @return true if the function can be executed asynchronously.]]>
+ </doc>
+ </method>
+ <method name="getReporter" return="org.apache.pig.backend.hadoop.executionengine.physicalLayer.PigProgressable"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <method name="setReporter"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="true" visibility="public"
+ deprecated="not deprecated">
+ <param name="reporter" type="org.apache.pig.backend.hadoop.executionengine.physicalLayer.PigProgressable"/>
+ <doc>
+ <![CDATA[Set the reporter. Called by Pig to provide a reference of
+ the reporter to the UDF.
+ @param reporter Hadoop reporter]]>
+ </doc>
+ </method>
+ <method name="getArgToFuncMapping" return="java.util.List"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <exception name="FrontendException" type="org.apache.pig.impl.logicalLayer.FrontendException"/>
+ <doc>
+ <![CDATA[Allow a UDF to specify type specific implementations of itself. For example,
+ an implementation of arithmetic sum might have int and float implementations,
+ since integer arithmetic performs much better than floating point arithmetic. Pig's
+ typechecker will call this method and using the returned list plus the schema
+ of the function's input data, decide which implementation of the UDF to use.
+ @return A List containing FuncSpec objects representing the EvalFunc class
+ which can handle the inputs corresponding to the schema in the objects. Each
+ FuncSpec should be constructed with a schema that describes the input for that
+ implementation. For example, the sum function above would return two elements in its
+ list:
+ <ol>
+ <li>FuncSpec(this.getClass().getName(), new Schema(new Schema.FieldSchema(null, DataType.DOUBLE)))
+ <li>FuncSpec(IntSum.getClass().getName(), new Schema(new Schema.FieldSchema(null, DataType.INTEGER)))
+ </ol>
+ This would indicate that the main implementation is used for doubles, and the special
+ implementation IntSum is used for ints.]]>
+ </doc>
+ </method>
+ <method name="getCacheFiles" return="java.util.List"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[Allow a UDF to specify a list of hdfs files it would like placed in the distributed
+ cache. These files will be put in the cache for every job the UDF is used in.
+ The default implementation returns null.
+ @return A list of files]]>
+ </doc>
+ </method>
+ <method name="getShipFiles" return="java.util.List"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[Allow a UDF to specify a list of local files it would like placed in the distributed
+ cache. These files will be put in the cache for every job the UDF is used in. Check for
+ {@link FuncUtils} for utility function to facilitate it
+ The default implementation returns null.
+ @return A list of files]]>
+ </doc>
+ </method>
+ <method name="getPigLogger" return="org.apache.pig.backend.hadoop.executionengine.physicalLayer.PigLogger"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <method name="setPigLogger"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="true" visibility="public"
+ deprecated="not deprecated">
+ <param name="pigLogger" type="org.apache.pig.backend.hadoop.executionengine.physicalLayer.PigLogger"/>
+ <doc>
+ <![CDATA[Set the PigLogger object. Called by Pig to provide a reference
+ to the UDF.
+ @param pigLogger PigLogger object.]]>
+ </doc>
+ </method>
+ <method name="getLogger" return="org.apache.commons.logging.Log"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <method name="setUDFContextSignature"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="signature" type="java.lang.String"/>
+ <doc>
+ <![CDATA[This method will be called by Pig both in the front end and back end to
+ pass a unique signature to the {@link EvalFunc}. The signature can be used
+ to store into the {@link UDFContext} any information which the
+ {@link EvalFunc} needs to store between various method invocations in the
+ front end and back end.
+ @param signature a unique signature to identify this EvalFunc]]>
+ </doc>
+ </method>
+ <method name="setInputSchema"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="input" type="org.apache.pig.impl.logicalLayer.schema.Schema"/>
+ <doc>
+ <![CDATA[This method is for internal use. It is called by Pig core in both front-end
+ and back-end to setup the right input schema for EvalFunc]]>
+ </doc>
+ </method>
+ <method name="getInputSchema" return="org.apache.pig.impl.logicalLayer.schema.Schema"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[This method is intended to be called by the user in {@link EvalFunc} to get the input
+ schema of the EvalFunc]]>
+ </doc>
+ </method>
+ <method name="getSchemaType" return="org.apache.pig.EvalFunc.SchemaType"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[Returns the {@link SchemaType} of the EvalFunc. User defined functions can override
+ this method to return {@link SchemaType#VARARG}. In this case the last FieldSchema
+ added to the Schema in {@link #getArgToFuncMapping()} will be considered as a vararg field.
+
+ @return the schema type of the UDF]]>
+ </doc>
+ </method>
+ <method name="allowCompileTimeCalculation" return="boolean"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[Whether the UDF should be evaluated at compile time if all inputs are constant.
+ This is applicable for most UDF, however, if a UDF will access hdfs file which
+ is not available at compile time, it has to be false
+ @return Whether or not compile time calculation is allowed, default to false
+ to ensure legacy UDF will get the right behavior]]>
+ </doc>
+ </method>
+ <method name="needEndOfAllInputProcessing" return="boolean"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <method name="setEndOfAllInput"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="endOfAllInput" type="boolean"/>
+ </method>
+ <field name="reporter" type="org.apache.pig.backend.hadoop.executionengine.physicalLayer.PigProgressable"
+ transient="false" volatile="false"
+ static="false" final="false" visibility="protected"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[Reporter to send heartbeats to Hadoop. If exec will take more than a
+ a few seconds {@link PigProgressable#progress} should be called
+ occasionally to avoid timeouts. Default Hadoop timeout is 600 seconds.]]>
+ </doc>
+ </field>
+ <field name="log" type="org.apache.commons.logging.Log"
+ transient="false" volatile="false"
+ static="false" final="false" visibility="protected"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[Logging object. Log calls made on the front end will be sent to
+ pig's log on the client. Log calls made on the backend will be
+ sent to stdout and can be seen in the Hadoop logs.]]>
+ </doc>
+ </field>
+ <field name="pigLogger" type="org.apache.pig.backend.hadoop.executionengine.physicalLayer.PigLogger"
+ transient="false" volatile="false"
+ static="false" final="false" visibility="protected"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[Logger for aggregating warnings. Any warnings to be sent to the user
+ should be logged to this via {@link PigLogger#warn}.]]>
+ </doc>
+ </field>
+ <field name="returnType" type="java.lang.reflect.Type"
+ transient="false" volatile="false"
+ static="false" final="false" visibility="protected"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[Return type of this instance of EvalFunc.]]>
+ </doc>
+ </field>
+ <doc>
+ <![CDATA[The class is used to implement functions to be applied to
+ fields in a dataset. The function is applied to each Tuple in the set.
+ The programmer should not make assumptions about state maintained
+ between invocations of the exec() method since the Pig runtime
+ will schedule and localize invocations based on information provided
+ at runtime. The programmer also should not make assumptions about when or
+ how many times the class will be instantiated, since it may be instantiated
+ multiple times in both the front and back end.]]>
+ </doc>
+ </class>
+ <!-- end class org.apache.pig.EvalFunc -->
+ <!-- start class org.apache.pig.EvalFunc.SchemaType -->
+ <class name="EvalFunc.SchemaType" extends="java.lang.Enum"
+ abstract="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ <method name="values" return="org.apache.pig.EvalFunc.SchemaType[]"
+ abstract="false" native="false" synchronized="false"
+ static="true" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <method name="valueOf" return="org.apache.pig.EvalFunc.SchemaType"
+ abstract="false" native="false" synchronized="false"
+ static="true" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="name" type="java.lang.String"/>
+ </method>
+ <field name="NORMAL" type="org.apache.pig.EvalFunc.SchemaType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="VARARG" type="org.apache.pig.EvalFunc.SchemaType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <doc>
+ <![CDATA[EvalFunc's schema type.
+ @see {@link EvalFunc#getSchemaType()}]]>
+ </doc>
+ </class>
+ <!-- end class org.apache.pig.EvalFunc.SchemaType -->
+ <!-- start interface org.apache.pig.ExceptionalFunction -->
+ <interface name="ExceptionalFunction" abstract="true"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <method name="apply" return="java.lang.Object"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="item" type="java.lang.Object"/>
+ <exception name="Exception" type="java.lang.Exception"/>
+ <doc>
+ <![CDATA[Performs a unit of work on item, possibly throwing {@code E} in the process.
+
+ @param item The item to perform work against.
+ @return The result of the computation.
+ @throws E if there was a problem performing the work.]]>
+ </doc>
+ </method>
+ <doc>
+ <![CDATA[An interface that captures a unit of work against an item where an exception might be thrown.
+
+ @param <S> The argument type for the function.
+ @param <T> The return type for the function.
+ @param <E> The exception type that the function throws.]]>
+ </doc>
+ </interface>
+ <!-- end interface org.apache.pig.ExceptionalFunction -->
+ <!-- start interface org.apache.pig.ExecType -->
+ <interface name="ExecType" abstract="true"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <implements name="java.io.Serializable"/>
+ <method name="accepts" return="boolean"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="properties" type="java.util.Properties"/>
+ <doc>
+ <![CDATA[An ExecType is selected based off the Properties for the given script.
+ There may be multiple settings that trigger the selection of a given
+ ExecType. For example, distributed MR mode is currently triggered if the
+ user specifies "mapred" or "mapreduce". It is desirable to override the
+ toString method of the given ExecType to uniquely identify the ExecType.
+
+ The initialize method should return true if it accepts the properties or
+ false if it does not. The Java ServiceLoader framework will be used to
+ iterate through and select the correct ExecType.]]>
+ </doc>
+ </method>
+ <method name="getExecutionEngine" return="org.apache.pig.backend.executionengine.ExecutionEngine"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="pigContext" type="org.apache.pig.impl.PigContext"/>
+ <doc>
+ <![CDATA[Returns the Execution Engine that this ExecType is associated with. Once
+ the ExecType the script is running in is determined by the PigServer, it
+ will then call this method to get an instance of the ExecutionEngine
+ associated with this ExecType to delegate all further execution to on the
+ backend.]]>
+ </doc>
+ </method>
+ <method name="getExecutionEngineClass" return="java.lang.Class"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[Returns the Execution Engine class that this ExecType is associated with.
+ This method simply returns the class of the ExecutionEngine associated
+ with this ExecType, and not an instance of it.]]>
+ </doc>
+ </method>
+ <method name="isLocal" return="boolean"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[An ExecType is classified as local if it runs in-process and through the
+ local filesystem. While an ExecutionEngine may have a more nuanced notion
+ of local mode, these are the qualifications Pig requires.
+ ExecutionEngines can extend the ExecType interface to additionally
+ differentiate between ExecTypes as necessary.]]>
+ </doc>
+ </method>
+ <method name="name" return="java.lang.String"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[Returns the canonical name for this ExecType.
+ @return]]>
+ </doc>
+ </method>
+ <field name="LOCAL" type="org.apache.pig.ExecType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="MAPREDUCE" type="org.apache.pig.ExecType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <doc>
+ <![CDATA[The type of query execution. Pig will cycle through all implementations
+ of ExecType and choose the first one that matches the Properties passed in.
+ This ExecType then dictates the ExecutionEngine used for processing and
+ other behaviour throughout Pig. Any implementing classes should be noted in
+ the META-INF/services folder titled org.apache.pig.ExecType as per the
+ Java ServiceLoader specification.]]>
+ </doc>
+ </interface>
+ <!-- end interface org.apache.pig.ExecType -->
+ <!-- start class org.apache.pig.ExecTypeProvider -->
+ <class name="ExecTypeProvider" extends="java.lang.Object"
+ abstract="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <constructor name="ExecTypeProvider"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </constructor>
+ <method name="selectExecType" return="org.apache.pig.ExecType"
+ abstract="false" native="false" synchronized="false"
+ static="true" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="properties" type="java.util.Properties"/>
+ <exception name="PigException" type="org.apache.pig.PigException"/>
+ </method>
+ <method name="fromString" return="org.apache.pig.ExecType"
+ abstract="false" native="false" synchronized="false"
+ static="true" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="execType" type="java.lang.String"/>
+ <exception name="PigException" type="org.apache.pig.PigException"/>
+ </method>
+ </class>
+ <!-- end class org.apache.pig.ExecTypeProvider -->
+ <!-- start class org.apache.pig.Expression -->
+ <class name="Expression" extends="java.lang.Object"
+ abstract="true"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <constructor name="Expression"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </constructor>
+ <method name="getOpType" return="org.apache.pig.Expression.OpType"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[@return the opType]]>
+ </doc>
+ </method>
+ <field name="opType" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="false" final="false" visibility="protected"
+ deprecated="not deprecated">
+ </field>
+ <doc>
+ <![CDATA[A class to communicate Filter expressions to LoadFuncs.
+ @since Pig 0.7]]>
+ </doc>
+ </class>
+ <!-- end class org.apache.pig.Expression -->
+ <!-- start class org.apache.pig.Expression.BetweenExpression -->
+ <class name="Expression.BetweenExpression" extends="org.apache.pig.Expression"
+ abstract="false"
+ static="true" final="false" visibility="public"
+ deprecated="not deprecated">
+ <constructor name="Expression.BetweenExpression" type="java.lang.Object, java.lang.Object"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </constructor>
+ <method name="getLower" return="java.lang.Object"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <method name="getUpper" return="java.lang.Object"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <method name="toString" return="java.lang.String"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ </class>
+ <!-- end class org.apache.pig.Expression.BetweenExpression -->
+ <!-- start class org.apache.pig.Expression.BinaryExpression -->
+ <class name="Expression.BinaryExpression" extends="org.apache.pig.Expression"
+ abstract="false"
+ static="true" final="false" visibility="public"
+ deprecated="not deprecated">
+ <constructor name="Expression.BinaryExpression" type="org.apache.pig.Expression, org.apache.pig.Expression, org.apache.pig.Expression.OpType"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[@param lhs
+ @param rhs]]>
+ </doc>
+ </constructor>
+ <method name="getLhs" return="org.apache.pig.Expression"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[@return the left hand operand]]>
+ </doc>
+ </method>
+ <method name="getRhs" return="org.apache.pig.Expression"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[@return the right hand operand]]>
+ </doc>
+ </method>
+ <method name="toString" return="java.lang.String"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ </class>
+ <!-- end class org.apache.pig.Expression.BinaryExpression -->
+ <!-- start class org.apache.pig.Expression.Column -->
+ <class name="Expression.Column" extends="org.apache.pig.Expression"
+ abstract="false"
+ static="true" final="false" visibility="public"
+ deprecated="not deprecated">
+ <constructor name="Expression.Column" type="java.lang.String"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[@param name]]>
+ </doc>
+ </constructor>
+ <method name="toString" return="java.lang.String"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <method name="getName" return="java.lang.String"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[@return the name]]>
+ </doc>
+ </method>
+ <method name="setName"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="name" type="java.lang.String"/>
+ <doc>
+ <![CDATA[@param name the name to set]]>
+ </doc>
+ </method>
+ </class>
+ <!-- end class org.apache.pig.Expression.Column -->
+ <!-- start class org.apache.pig.Expression.Const -->
+ <class name="Expression.Const" extends="org.apache.pig.Expression"
+ abstract="false"
+ static="true" final="false" visibility="public"
+ deprecated="not deprecated">
+ <constructor name="Expression.Const" type="java.lang.Object"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[@param value]]>
+ </doc>
+ </constructor>
+ <method name="getValue" return="java.lang.Object"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[@return the value]]>
+ </doc>
+ </method>
+ <method name="toString" return="java.lang.String"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ </class>
+ <!-- end class org.apache.pig.Expression.Const -->
+ <!-- start class org.apache.pig.Expression.InExpression -->
+ <class name="Expression.InExpression" extends="org.apache.pig.Expression"
+ abstract="false"
+ static="true" final="false" visibility="public"
+ deprecated="not deprecated">
+ <constructor name="Expression.InExpression" type="java.util.List"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </constructor>
+ <method name="getValues" return="java.util.List"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <method name="toString" return="java.lang.String"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ </class>
+ <!-- end class org.apache.pig.Expression.InExpression -->
+ <!-- start class org.apache.pig.Expression.OpType -->
+ <class name="Expression.OpType" extends="java.lang.Enum"
+ abstract="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ <method name="values" return="org.apache.pig.Expression.OpType[]"
+ abstract="false" native="false" synchronized="false"
+ static="true" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <method name="valueOf" return="org.apache.pig.Expression.OpType"
+ abstract="false" native="false" synchronized="false"
+ static="true" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="name" type="java.lang.String"/>
+ </method>
+ <method name="toString" return="java.lang.String"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <field name="OP_PLUS" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="OP_MINUS" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="OP_TIMES" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="OP_DIV" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="OP_MOD" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="OP_EQ" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="OP_NE" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="OP_GT" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="OP_GE" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="OP_LT" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="OP_LE" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="OP_MATCH" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="OP_IN" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="OP_BETWEEN" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="OP_NULL" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="OP_NOT" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="OP_AND" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="OP_OR" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="TERM_COL" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ <field name="TERM_CONST" type="org.apache.pig.Expression.OpType"
+ transient="false" volatile="false"
+ static="true" final="true" visibility="public"
+ deprecated="not deprecated">
+ </field>
+ </class>
+ <!-- end class org.apache.pig.Expression.OpType -->
+ <!-- start class org.apache.pig.Expression.UnaryExpression -->
+ <class name="Expression.UnaryExpression" extends="org.apache.pig.Expression"
+ abstract="false"
+ static="true" final="false" visibility="public"
+ deprecated="not deprecated">
+ <constructor name="Expression.UnaryExpression" type="org.apache.pig.Expression, org.apache.pig.Expression.OpType"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </constructor>
+ <method name="getExpression" return="org.apache.pig.Expression"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <method name="toString" return="java.lang.String"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ </class>
+ <!-- end class org.apache.pig.Expression.UnaryExpression -->
+ <!-- start class org.apache.pig.FileInputLoadFunc -->
+ <class name="FileInputLoadFunc" extends="org.apache.pig.LoadFunc"
+ abstract="true"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <implements name="org.apache.pig.OrderedLoadFunc"/>
+ <constructor name="FileInputLoadFunc"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </constructor>
+ <method name="getSplitComparable" return="org.apache.hadoop.io.WritableComparable"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="split" type="org.apache.hadoop.mapreduce.InputSplit"/>
+ <exception name="IOException" type="java.io.IOException"/>
+ </method>
+ <doc>
+ <![CDATA[This class provides an implementation of OrderedLoadFunc interface
+ which can be optionally re-used by LoadFuncs that use FileInputFormat, by
+ having this as a super class
+ @since Pig 0.7]]>
+ </doc>
+ </class>
+ <!-- end class org.apache.pig.FileInputLoadFunc -->
+ <!-- start class org.apache.pig.FileSplitComparable -->
+ <class name="FileSplitComparable" extends="java.lang.Object"
+ abstract="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <implements name="org.apache.hadoop.io.WritableComparable"/>
+ <implements name="java.io.Serializable"/>
+ <constructor name="FileSplitComparable"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </constructor>
+ <constructor name="FileSplitComparable" type="java.lang.String, long"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </constructor>
+ <method name="compareTo" return="int"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="other" type="org.apache.pig.FileSplitComparable"/>
+ </method>
+ <method name="readFields"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="in" type="java.io.DataInput"/>
+ <exception name="IOException" type="java.io.IOException"/>
+ </method>
+ <method name="write"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="out" type="java.io.DataOutput"/>
+ <exception name="IOException" type="java.io.IOException"/>
+ </method>
+ <method name="toString" return="java.lang.String"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <method name="hashCode" return="int"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <method name="equals" return="boolean"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="obj" type="java.lang.Object"/>
+ </method>
+ <field name="filename" type="java.lang.String"
+ transient="false" volatile="false"
+ static="false" final="false" visibility="protected"
+ deprecated="not deprecated">
+ </field>
+ <field name="offset" type="java.lang.Long"
+ transient="false" volatile="false"
+ static="false" final="false" visibility="protected"
+ deprecated="not deprecated">
+ </field>
+ <doc>
+ <![CDATA[This class represents a relative position in a file. It records a filename
+ and an offset. This allows Pig to order FileSplits.
+ @since Pig 0.7]]>
+ </doc>
+ </class>
+ <!-- end class org.apache.pig.FileSplitComparable -->
+ <!-- start class org.apache.pig.FilterFunc -->
+ <class name="FilterFunc" extends="org.apache.pig.EvalFunc"
+ abstract="true"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <constructor name="FilterFunc"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </constructor>
+ <method name="finish"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[Placeholder for cleanup to be performed at the end. User defined functions can override.
+ Default implementation is a no-op.]]>
+ </doc>
+ </method>
+ </class>
+ <!-- end class org.apache.pig.FilterFunc -->
+ <!-- start class org.apache.pig.FuncSpec -->
+ <class name="FuncSpec" extends="java.lang.Object"
+ abstract="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <implements name="java.io.Serializable"/>
+ <implements name="java.lang.Cloneable"/>
+ <constructor name="FuncSpec" type="java.lang.String, java.lang.String"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[@param className the name of the class for the udf
+ @param ctorArg the argument to pass the constructor for the above class.
+ Constructors can only take strings.]]>
+ </doc>
+ </constructor>
+ <constructor name="FuncSpec" type="java.lang.String, java.lang.String[]"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[@param className the name of the class for the udf
+ @param ctorArgs the arguments to pass to the constructor for the above class.
+ Constructors can only take strings.]]>
+ </doc>
+ </constructor>
+ <constructor name="FuncSpec" type="java.lang.String, java.lang.String[], org.apache.pig.impl.logicalLayer.schema.Schema"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[@param className the name of the class for the udf
+ @param ctorArgs the arguments to pass to the constructor for the above class.
+ Constructors can only take strings.
+ @param inputArgsSchema schema for input args taken by this Function]]>
+ </doc>
+ </constructor>
+ <constructor name="FuncSpec" type="java.lang.String"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[@param funcSpec the name of the function and any arguments.
+ It should have the form: classname('arg1', 'arg2', ...)]]>
+ </doc>
+ </constructor>
+ <constructor name="FuncSpec" type="java.lang.String, org.apache.pig.impl.logicalLayer.schema.Schema"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[@param funcSpec funcSpec the name of the function and any arguments.
+ It should have the form: classname('arg1', 'arg2', ...)
+ @param inputArgsSchema schema for input args taken by this Function]]>
+ </doc>
+ </constructor>
+ <method name="getClassNameFromSpec" return="java.lang.String"
+ abstract="false" native="false" synchronized="false"
+ static="true" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="funcSpec" type="java.lang.String"/>
+ <doc>
+ <![CDATA[Parse the class name out of a function specification string.
+ @return name of the class.]]>
+ </doc>
+ </method>
+ <method name="getArgStringFromSpec" return="java.lang.String"
+ abstract="false" native="false" synchronized="false"
+ static="true" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="funcSpec" type="java.lang.String"/>
+ <doc>
+ <![CDATA[Get the argument values passed to the func spec.
+ @return argument values. Format will be arg1, arg2, ... )]]>
+ </doc>
+ </method>
+ <method name="parseArguments" return="java.util.List"
+ abstract="false" native="false" synchronized="false"
+ static="true" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="argString" type="java.lang.String"/>
+ <doc>
+ <![CDATA[Parse the argument values out of a function specification string.
+ @param argString should be of the form "'arg1', 'arg2', ..."
+ @return List of the different argument strings]]>
+ </doc>
+ </method>
+ <method name="getClassName" return="java.lang.String"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[@return the className]]>
+ </doc>
+ </method>
+ <method name="setClassName"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="className" type="java.lang.String"/>
+ <doc>
+ <![CDATA[@param className the className to set]]>
+ </doc>
+ </method>
+ <method name="getCtorArgs" return="java.lang.String[]"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[@return the ctorArgs]]>
+ </doc>
+ </method>
+ <method name="setCtorArgs"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="ctorArgs" type="java.lang.String[]"/>
+ <doc>
+ <![CDATA[@param ctorArgs the ctorArgs to set]]>
+ </doc>
+ </method>
+ <method name="toString" return="java.lang.String"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <method name="getInputArgsSchema" return="org.apache.pig.impl.logicalLayer.schema.Schema"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <doc>
+ <![CDATA[@return the inputArgsSchema]]>
+ </doc>
+ </method>
+ <method name="setInputArgsSchema"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="inputArgsSchema" type="org.apache.pig.impl.logicalLayer.schema.Schema"/>
+ <doc>
+ <![CDATA[@param inputArgsSchema the inputArgsSchema to set]]>
+ </doc>
+ </method>
+ <method name="equals" return="boolean"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="other" type="java.lang.Object"/>
+ </method>
+ <method name="hashCode" return="int"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ </method>
+ <method name="clone" return="org.apache.pig.FuncSpec"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <exception name="CloneNotSupportedException" type="java.lang.CloneNotSupportedException"/>
+ </method>
+ <doc>
+ <![CDATA[Class to represent a UDF specification.
+ Encapsulates the class name and the arguments to the constructor.]]>
+ </doc>
+ </class>
+ <!-- end class org.apache.pig.FuncSpec -->
+ <!-- start interface org.apache.pig.Function -->
+ <interface name="Function" abstract="true"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <implements name="org.apache.pig.ExceptionalFunction"/>
+ <implements name="com.google.common.base.Function"/>
+ <method name="apply" return="java.lang.Object"
+ abstract="false" native="false" synchronized="false"
+ static="false" final="false" visibility="public"
+ deprecated="not deprecated">
+ <param name="item" type="java.lang.Object"/>
+ </method>
+ <doc>
[... 85841 lines stripped ...]