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/*
* Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package jdk.nashorn.internal.runtime;
import java.io.Serializable;
import java.util.Arrays;
import java.util.LinkedHashMap;
import java.util.Map;
/**
* Class representing a persistent compiled script.
*/
public final class StoredScript implements Serializable {
/** Compilation id */
private final int compilationId;
/** Main class name. */
private final String mainClassName;
/** Map of class names to class bytes. */
private final Map<String, byte[]> classBytes;
/** Constants array. */
private final Object[] constants;
/** Function initializers */
private final Map<Integer, FunctionInitializer> initializers;
private static final long serialVersionUID = 2958227232195298340L;
/**
* Constructor.
*
* @param compilationId compilation id
* @param mainClassName main class name
* @param classBytes map of class names to class bytes
* @param initializers initializer map, id -> FunctionInitializer
* @param constants constants array
*/
public StoredScript(final int compilationId, final String mainClassName, final Map<String, byte[]> classBytes, final Map<Integer, FunctionInitializer> initializers, final Object[] constants) {
this.compilationId = compilationId;
this.mainClassName = mainClassName;
this.classBytes = classBytes;
this.constants = constants;
this.initializers = initializers;
}
/**
* Get the compilation id for this StoredScript
* @return compilation id
*/
public int getCompilationId() {
return compilationId;
}
/**
* Returns the main class name.
* @return the main class name
*/
public String getMainClassName() {
return mainClassName;
}
/**
* Returns a map of class names to class bytes.
* @return map of class bytes
*/
public Map<String, byte[]> getClassBytes() {
final Map<String, byte[]> clonedMap = new LinkedHashMap<>();
for (final Map.Entry<String, byte[]> entry : classBytes.entrySet()) {
clonedMap.put(entry.getKey(), entry.getValue().clone());
}
return clonedMap;
}
/**
* Returns the constants array.
* @return constants array
*/
public Object[] getConstants() {
return constants.clone();
}
/**
* Returns the function initializers map.
* @return The initializers map.
*/
public Map<Integer, FunctionInitializer> getInitializers() {
final Map<Integer, FunctionInitializer> clonedMap = new LinkedHashMap<>();
for (final Map.Entry<Integer, FunctionInitializer> entry : initializers.entrySet()) {
clonedMap.put(entry.getKey(), new FunctionInitializer(entry.getValue()));
}
return clonedMap;
}
@Override
public int hashCode() {
int hash = mainClassName.hashCode();
hash = 31 * hash + classBytes.hashCode();
hash = 31 * hash + Arrays.hashCode(constants);
return hash;
}
@Override
public boolean equals(final Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof StoredScript)) {
return false;
}
final StoredScript cs = (StoredScript) obj;
return mainClassName.equals(cs.mainClassName)
&& classBytes.equals(cs.classBytes)
&& Arrays.equals(constants, cs.constants);
}
}
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