com.cloudera.impala.common.JniUtil Class Reference

Collaboration diagram for com.cloudera.impala.common.JniUtil:

Static Public Member Functions
static String	throwableToString (Throwable t)
static String	throwableToStackTrace (Throwable t)
static< TextendsTBase<?,?> F extends TProtocolFactory void	deserializeThrift (F protocolFactory, T result, byte[] thriftData) throws ImpalaException
static byte[]	getJvmMetrics (byte[] argument) throws ImpalaException
static String	getJavaVersion ()

Static Private Attributes
static final TBinaryProtocol.Factory	protocolFactory_

Detailed Description

Utility class with methods intended for JNI clients

Definition at line 40 of file JniUtil.java.

Member Function Documentation

static <TextendsTBase<?,?> F extends TProtocolFactory void com.cloudera.impala.common.JniUtil.deserializeThrift ( F  protocolFactory, T  result, byte[]  thriftData  ) throws ImpalaException

inlinestatic

Definition at line 79 of file JniUtil.java.

static String com.cloudera.impala.common.JniUtil.getJavaVersion ( )

inlinestatic

Get Java version and vendor information

Definition at line 153 of file JniUtil.java.

static byte [] com.cloudera.impala.common.JniUtil.getJvmMetrics ( byte[]  argument ) throws ImpalaException

inlinestatic

Collect the JVM's memory statistics into a thrift structure for translation into Impala metrics by the backend. A synthetic 'total' memory pool is included with aggregate statistics for all real pools.

Definition at line 95 of file JniUtil.java.

References com.cloudera.impala.common.JniUtil.protocolFactory_.

static String com.cloudera.impala.common.JniUtil.throwableToStackTrace ( Throwable  t )

inlinestatic

Returns the stack trace of the Throwable object.

Definition at line 69 of file JniUtil.java.

static String com.cloudera.impala.common.JniUtil.throwableToString ( Throwable  t )

inlinestatic

Returns a formatted string containing the simple exception name and the exception message without the full stack trace. Includes the the chain of causes each in a separate line.

Definition at line 49 of file JniUtil.java.

Referenced by com.cloudera.impala.catalog.IncompleteTable.toThrift().

Member Data Documentation

final TBinaryProtocol.Factory com.cloudera.impala.common.JniUtil.protocolFactory_

staticprivate

Initial value:

=
      new TBinaryProtocol.Factory()

Definition at line 41 of file JniUtil.java.

Referenced by com.cloudera.impala.common.JniUtil.getJvmMetrics().

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The documentation for this class was generated from the following file:

• fe/src/main/java/com/cloudera/impala/common/JniUtil.java