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package org.eclipse.jdt.internal.core.builder.impl;
/*
* (c) Copyright IBM Corp. 2000, 2001.
* All Rights Reserved.
*/
import org.eclipse.core.runtime.IPath;
import org.eclipse.jdt.internal.core.Assert;
import org.eclipse.jdt.internal.core.builder.*;
import java.io.*;
/**
* StateSnap for state file format version 6.
* @see StateSnap
*/
public class StateSnapV6 extends StateSnapV5 {
/**
* Read the next source entry.
*/
protected SourceEntry readSourceEntry(StateSnapConstantPool pool, DataInputStream in) throws IOException {
IPath path = pool.getPath(in.readInt());
String zipEntryPath = pool.getStringOrNull(in.readInt());
String zipEntryFileName = pool.getStringOrNull(in.readInt());
return new SourceEntry(path, zipEntryPath, zipEntryFileName);
}
/**
* Saves key information about the given state
* to the given output stream. This snapshot can be used
* subsequently in reconstructing the state.
*/
public void save(StateImpl state, DataOutputStream out) throws IOException {
// Build up pool.
IDevelopmentContext dc = state.getDevelopmentContext();
StateSnapConstantPool pool = new StateSnapConstantPool(dc);
addBuildContextToPool(state, pool);
addPackageMapToPool(state, pool);
addSourceElementTableToPool(state, pool);
addPrincipalStructureTableToPool(state, pool);
addProblemTableToPool(state, pool);
addDependencyGraphToPool(state, pool);
// Write all.
out.writeInt(MAGIC);
out.writeShort(StateSnap.VERSION6);
byte[] fingerprint = state.getFingerprint();
// regression test for 1F9M2KH: RQIB:ALL - Problem saving incrementally built state
Assert.isNotNull(fingerprint);
out.writeShort(fingerprint.length);
out.write(fingerprint);
pool.write(out);
writeBuildContext(state, pool, out);
writePackageMap(state, pool, out);
writeSourceElementTable(state, pool, out);
writePrincipalStructureTable(state, pool, out);
writeProblemReporter(state, pool, out);
writeDependencyGraph(state, pool, out);
}
}
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