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Apache Geode provides a database-like consistency model, reliable transaction processing and a shared-nothing architecture to maintain very low latency performance with high concurrency processing

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional information regarding
 * copyright ownership. The ASF 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.apache.geode.cache.operations;

import org.apache.geode.security.ResourcePermission;

/**
 * Encapsulates a cache operation and the data associated with it for both the pre-operation and
 * post-operation cases. Implementations for specific operations will extend this with the specifics
 * as required e.g. a getKey() method for a GET operation. Implementations for all the cache
 * operations that require authorization are provided.
 *
 * Implementations of this interface are not expected to be thread-safe.
 *
 * @since GemFire 5.5
 *
 * @deprecated since Geode1.0, use {@link ResourcePermission} instead
 */
public abstract class OperationContext {

  public enum OperationCode {
    @Deprecated
    GET, @Deprecated
    PUT, @Deprecated
    PUTALL, @Deprecated
    REMOVEALL, @Deprecated
    DESTROY, @Deprecated
    INVALIDATE, @Deprecated
    REGISTER_INTEREST, @Deprecated
    UNREGISTER_INTEREST, @Deprecated
    CONTAINS_KEY, @Deprecated
    KEY_SET, @Deprecated
    QUERY, @Deprecated
    EXECUTE_CQ, @Deprecated
    STOP_CQ, @Deprecated
    CLOSE_CQ, @Deprecated
    REGION_CLEAR, @Deprecated
    REGION_CREATE, @Deprecated
    REGION_DESTROY, @Deprecated
    EXECUTE_FUNCTION, @Deprecated
    GET_DURABLE_CQS;

    /**
     * Check if this is an entry get operation.
     *
     * @return true if this is an entry get operation
     * @deprecated Use {@code getOperationCode() == GET} instead
     */
    @Deprecated
    public boolean isGet() {
      return (this == GET);
    }

    /**
     * Check if this is a entry create/update operation.
     *
     * @return true if this is a entry create/update operation.
     * @deprecated Use {@code getOperationCode() == PUT} instead
     */
    @Deprecated
    public boolean isPut() {
      return (this == PUT);
    }

    /**
     * Check if this is a map putAll operation.
     *
     * @return true if this is a map putAll operation.
     * @deprecated Use {@code getOperationCode() == PUTALL} instead
     */
    @Deprecated
    public boolean isPutAll() {
      return (this == PUTALL);
    }

    /**
     * Check if this is a region removeAll operation.
     *
     * @return true if this is a region removeAll operation.
     * @deprecated Use {@code getOperationCode() == REMOVEALL} instead
     * @since GemFire 8.1
     */
    @Deprecated
    public boolean isRemoveAll() {
      return (this == REMOVEALL);
    }

    /**
     * Check if this is an entry destroy operation.
     *
     * @return true if this is an entry destroy operation.
     * @deprecated Use {@code getOperationCode() == DESTROY} instead
     */
    @Deprecated
    public boolean isDestroy() {
      return (this == DESTROY);
    }

    /**
     * Check if this is an entry invalidate operation.
     *
     * @return true if this is an entry invalidate operation.
     * @deprecated Use {@code getOperationCode() == INVALIDATE} instead
     */
    @Deprecated
    public boolean isInvalidate() {
      return (this == INVALIDATE);
    }

    /**
     * Check if this is a register interest operation.
     *
     * @return true if this is a register interest operation.
     * @deprecated Use {@code getOperationCode() == REGISTER_INTEREST} instead
     */
    @Deprecated
    public boolean isRegisterInterest() {
      return (this == REGISTER_INTEREST);
    }

    /**
     * Check if this is an unregister interest operation.
     *
     * @return true if this is an unregister interest operation.
     * @deprecated Use {@code getOperationCode() ==  UNREGISTER_INTEREST} instead
     */
    @Deprecated
    public boolean isUnregisterInterest() {
      return (this == UNREGISTER_INTEREST);
    }

    /**
     * Check if this is a region containsKey operation.
     *
     * @return true if this is a region containsKey operation.
     * @deprecated Use {@code getOperationCode() == CONTAINS_KEY} instead
     */
    @Deprecated
    public boolean isContainsKey() {
      return (this == CONTAINS_KEY);
    }

    /**
     * Check if this is a region keySet operation.
     *
     * @return true if this is a region keySet operation.
     * @deprecated Use {@code getOperationCode() == KEY_SET} instead
     */
    @Deprecated
    public boolean isKeySet() {
      return (this == KEY_SET);
    }

    /**
     * Check if this is a cache query operation.
     *
     * @return true if this is a cache query operation.
     * @deprecated Use {@code getOperationCode() == QUERY} instead
     */
    @Deprecated
    public boolean isQuery() {
      return (this == QUERY);
    }

    /**
     * Check if this is a continuous query execution operation.
     *
     * @return true if this is a continuous query execution operation.
     * @deprecated Use {@code getOperationCode() == EXECUTE_CQ} instead
     */
    @Deprecated
    public boolean isExecuteCQ() {
      return (this == EXECUTE_CQ);
    }

    /**
     * Check if this is a continuous query stop operation.
     *
     * @return true if this is a continuous query stop operation.
     * @deprecated Use {@code getOperationCode() == STOP_CQ} instead
     */
    @Deprecated
    public boolean isStopCQ() {
      return (this == STOP_CQ);
    }

    /**
     * Check if this is a continuous query close operation.
     *
     * @return true if this is a continuous query close operation.
     * @deprecated Use {@code getOperationCode() == CLOSE_CQ} instead
     */
    @Deprecated
    public boolean isCloseCQ() {
      return (this == CLOSE_CQ);
    }

    /**
     * Check if this is a region clear operation.
     *
     * @return true if this is a region clear operation.
     * @deprecated Use {@code getOperationCode() == REGION_CLEAR} instead
     */
    @Deprecated
    public boolean isRegionClear() {
      return (this == REGION_CLEAR);
    }

    /**
     * Check if this is a region create operation.
     *
     * @return true if this is a region create operation.
     * @deprecated Use {@code getOperationCode() == REGION_CREATE} instead
     */
    @Deprecated
    public boolean isRegionCreate() {
      return (this == REGION_CREATE);
    }

    /**
     * Check if this is a region destroy operation.
     *
     * @return true if this is a region destroy operation.
     * @deprecated Use {@code getOperationCode() == REGION_DESTROY} instead
     */
    @Deprecated
    public boolean isRegionDestroy() {
      return (this == REGION_DESTROY);
    }

    /**
     * Check if this is a execute region function operation.
     *
     * @return true if this is a execute region function operation.
     * @deprecated Use {@code getOperationCode() == EXECUTE_FUNCTION} instead
     */
    @Deprecated
    public boolean isExecuteRegionFunction() {
      return (this == EXECUTE_FUNCTION);
    }

    /**
     * Check if this is a get durable cqs operation.
     *
     * @return true if this is a get durable cqs operation.
     * @deprecated Use {@code getOperationCode() == GET_DURABLE_CQS} instead
     */
    @Deprecated
    public boolean isGetDurableCQs() {
      return (this == GET_DURABLE_CQS);
    }
  }

  /**
   * Return the operation code associated with the OperationContext object.
   */
  public abstract OperationCode getOperationCode();

  /**
   * True if the context is for post-operation.
   *
   * The OperationContext interface encapsulates the data both before the operation is
   * performed and after the operation is complete. For example, for a query operation the
   * Query object as well as the list of region names referenced by the query would be
   * part of the context object in the pre-processing stage. In the post-processing stage the
   * context object shall contain results of the query.
   */
  public abstract boolean isPostOperation();

  /**
   * When called post-operation, returns true if the operation was one that performed an update. An
   * update occurs when one of the following methods on getOperationCode() returns
   * true: isPut(), isPutAll(), isDestroy(),
   * isRemoveAll(), isInvalidate(), isRegionCreate(),
   * isRegionClear(), isRegionDestroy(). Otherwise, returns false.
   *
   * @since GemFire 6.6
   */
  public boolean isClientUpdate() {
    if (isPostOperation()) {
      switch (getOperationCode()) {
        case PUT:
        case PUTALL:
        case DESTROY:
        case REMOVEALL:
        case INVALIDATE:
        case REGION_CREATE:
        case REGION_DESTROY:
        case REGION_CLEAR:
          return true;
      }
    }
    return false;
  }

  /**
   * True if the context is created before sending the updates to a client.
   */
  @Deprecated
  public boolean isClientUpdate(OperationContext context) {
    OperationCode opCode = context.getOperationCode();
    return context.isPostOperation() && (opCode.isPut() || opCode.isPutAll() || opCode.isDestroy()
        || opCode.isRemoveAll() || opCode.isInvalidate() || opCode.isRegionCreate()
        || opCode.isRegionDestroy() || opCode.isRegionClear());
  }

}




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