ShardClearIndicesCacheRequest.java

/*
 * Licensed to ElasticSearch and Shay Banon under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. ElasticSearch licenses this
 * file to you 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.elasticsearch.action.admin.indices.cache.clear;

import org.elasticsearch.action.support.broadcast.BroadcastShardOperationRequest;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;

import java.io.IOException;

/**
 *
 */
class ShardClearIndicesCacheRequest extends BroadcastShardOperationRequest {

    private boolean filterCache = false;
    private boolean fieldDataCache = false;
    private boolean idCache = false;
    private boolean bloomCache = false;
    private String[] fields = null;

    ShardClearIndicesCacheRequest() {
    }

    public ShardClearIndicesCacheRequest(String index, int shardId, ClearIndicesCacheRequest request) {
        super(index, shardId, request);
        filterCache = request.filterCache();
        fieldDataCache = request.fieldDataCache();
        idCache = request.idCache();
        bloomCache = request.bloomCache();
        fields = request.fields();
    }

    public boolean filterCache() {
        return filterCache;
    }

    public boolean fieldDataCache() {
        return this.fieldDataCache;
    }

    public boolean idCache() {
        return this.idCache;
    }

    public boolean bloomCache() {
        return this.bloomCache;
    }

    public String[] fields() {
        return this.fields;
    }

    public ShardClearIndicesCacheRequest waitForOperations(boolean waitForOperations) {
        this.filterCache = waitForOperations;
        return this;
    }

    @Override
    public void readFrom(StreamInput in) throws IOException {
        super.readFrom(in);
        filterCache = in.readBoolean();
        fieldDataCache = in.readBoolean();
        idCache = in.readBoolean();
        bloomCache = in.readBoolean();
        int size = in.readVInt();
        if (size > 0) {
            fields = new String[size];
            for (int i = 0; i < size; i++) {
                fields[i] = in.readUTF();
            }
        }
    }

    @Override
    public void writeTo(StreamOutput out) throws IOException {
        super.writeTo(out);
        out.writeBoolean(filterCache);
        out.writeBoolean(fieldDataCache);
        out.writeBoolean(idCache);
        out.writeBoolean(bloomCache);
        if (fields == null) {
            out.writeVInt(0);
        } else {
            out.writeVInt(fields.length);
            for (String field : fields) {
                out.writeUTF(field);
            }
        }
    }
}