/*
* Copyright 2003-2016 JetBrains s.r.o.
*
* 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 jetbrains.mps.workbench.findusages;
import com.intellij.util.io.KeyDescriptor;
import jetbrains.mps.util.io.ModelInputStream;
import jetbrains.mps.util.io.ModelOutputStream;
import org.jetbrains.annotations.NotNull;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
/**
* @author Artem Tikhomirov
* @since 3.4
*/
public class UsageEntryKeyDescriptor implements KeyDescriptor<UsageEntry> {
@Override
public void save(@NotNull DataOutput out, UsageEntry value) throws IOException {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
ModelOutputStream mos = new ModelOutputStream(bos);
value.save(mos);
mos.close();
byte[] data = bos.toByteArray();
out.writeInt(data.length);
out.write(data);
}
@Override
public UsageEntry read(@NotNull DataInput in) throws IOException {
int len = in.readInt();
assert len > 0;
byte[] data = new byte[len];
in.readFully(data);
ModelInputStream mis = new ModelInputStream(new ByteArrayInputStream(data));
UsageEntry rv = UsageEntry.load(mis);
mis.close();
return rv;
}
@Override
public int getHashCode(UsageEntry value) {
return value.hashCode();
}
@Override
public boolean isEqual(UsageEntry val1, UsageEntry val2) {
return val1.equals(val2);
}
}