constant_long_info.java

derby database source code.good for you.

/*

   Derby - Class org.apache.derby.iapi.services.classfile.CONSTANT_Long_info

   Copyright 2000, 2004 The Apache Software Foundation or its licensors, as applicable.

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.

 */

package org.apache.derby.iapi.services.classfile;

import org.apache.derby.iapi.services.classfile.VMDescriptor;
import java.io.IOException;

/** Long Constant - page 97 - Section 4.4.5 */
final class CONSTANT_Long_info extends ConstantPoolEntry {
	private final long value;

	CONSTANT_Long_info(long value) {
		super(VMDescriptor.CONSTANT_Long);
		doubleSlot = true; //See page 98.
		this.value = value;
	}

	public int hashCode() {
		return (int) value;
	}

	public boolean equals(Object other) {

		// check it is the right type
		if (other instanceof CONSTANT_Long_info) {
		
			return value == ((CONSTANT_Long_info) other).value;
		}

		return false;
	}

	int classFileSize() {
		// 1 (tag) + 8 (long length)
		return 1 + 8;
	}

	void put(ClassFormatOutput out) throws IOException {
		super.put(out);
		out.writeLong(value);
	}
}